<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>2.使用js创建虚拟DOM</title>
    <link rel="shortcut icon" href="../favicon.ico" type="image/x-icon" />
  </head>
  <body>
    <!-- 准备好一个“容器” -->
    <div id="test"></div>

    <!-- 引入react核心库 -->
    <script src="../React-js/react.development.js"></script>
    <!-- 引入react-dom,用于支持react操作DOM -->
    <script
      type="text/javascript"
      src="../React-js/react-dom.development.js"
    ></script>

    <script type="text/javascript">
      // *1.创建虚拟DOM
      // const vDOM = React.createElement(标签名, 标签属性, 标签内容);
      const vDOM = React.createElement(
        'h1',
        { id: 'title' },
        React.createElement('span', {}, 'Hello,React')
      );
      // *2.渲染虚拟DOM到页面
      ReactDOM.render(vDOM, document.getElementById('test')); //虚拟DOM  容器
    </script>
  </body>
</html>
